CN110231279A - Rock drying and watering cycle corrosion comprehensive testing method - Google Patents

Rock drying and watering cycle corrosion comprehensive testing method Download PDF

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Publication number
CN110231279A
CN110231279A CN201910608352.8A CN201910608352A CN110231279A CN 110231279 A CN110231279 A CN 110231279A CN 201910608352 A CN201910608352 A CN 201910608352A CN 110231279 A CN110231279 A CN 110231279A
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water
sample
rock
drying
test
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CN110231279B (en
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靳贵晓
张开顺
刘志国
黄明
陈泽峰
熊晓辉
邹福林
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Fujian University of Technology
Fifth Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
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Fujian University of Technology
Fifth Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light

Abstract

The invention discloses a kind of rock drying and watering cycle corrosion comprehensive testing method, step A: rock is carried out using circumstance of flowing water simulation test device and moves water-soluble erosion simulation test;Step B: rock hydrostatic corrosion simulation test is carried out using Lentic environment simulation test device;Step C: rock dehydration drying is carried out using dry simulation test device;Step D: the test sample 7 of same rock sample, step A to step C is repeated, after being respectively completed 3 drying and watering cycles, 6 drying and watering cycles, 10 wetting-drying tests, then the test sample 7 after deterioration is sealed with preservative film, it is stored in drying box, in case subsequent rock mechanics experiment uses.This method can carry out drying and watering cycle corrosion compbined test to rock, and combine the parameter in each specific steps, and energy real simulation nature water karst loses process, accurately disclose the corrosion rule between rock and water.

Description

Rock drying and watering cycle corrosion comprehensive testing method
Technical field
The present invention relates to a kind of rock dissolved corrosion test methods, and in particular to water-rock drying and watering cycle corrosion compbined test side Method.
Background technique
Corrosion refers to that is occurred between mineral and acid solution or water flooding in rock reacts.Wherein, the mineral in rock Reacting for occurring between water flooding is known as " water-karst erosion ".Water is to the dissolved corrosion test of rock mostly with Static Water in the prior art Corrosion is research means, different to the corrosion effect of rock.But in reality, effect of the water to rock, including liquid form Dynamic water and impregnate form hydrostatic.In the area that underground water is mostly fed with seasonal rainwater, the interaction of water rock is often in Existing water flow corrosion, hydrostatic impregnate and repeatedly dry and wet collective effect the case where.Therefore the erosion of water karst is individually carried out using Static Water Research method can not accurately disclose the rule of the corrosion between rock and water.Correspondingly, to the quality of rock after Static Water corrosion, Porosity, corrosion liquid component content, corrosion amount, solubility, microstructure change, mechanical state variation of rock etc. are measured There is also deviations with analysis.Therefore, in such a way that Static Water corrosion is studied, especially for the mechanical characteristic of the rock containing cream There are biggish limitations for research.
Summary of the invention
The present invention is quasi- to provide a kind of method that can carry out drying and watering cycle corrosion compbined test to rock, it is ensured that during test Rock by dynamic water, hydrostatic and dry and wet collective effect repeatedly, can really reflect the corrosion process of rock in nature, the erosion of water karst The porosity of quality, rock afterwards, corrosion liquid component content, corrosion amount, solubility, microstructure change, mechanical state variation More identical Deng measurement and analysis result and truth, subsequent Mechanical test results have more guiding value.
For this purpose, the technical scheme adopted by the invention is as follows: a kind of rock drying and watering cycle corrosion comprehensive testing method, including such as Lower step:
Step A: rock is carried out using circumstance of flowing water simulation test device and moves water-soluble erosion simulation test;
The circumstance of flowing water simulation test device includes constant pressure water tank, and the constant pressure water tank is altogether there are four water outlet and from a left side It is arranged to right successively equidistant interval, each water outlet is in series with water flow on each outlet pipeline and stops equipped with an outlet pipeline Water valve, dress sample container, suspended body flowmeter, flow control valve, the dress sample container include sample loading cylinder and top cover, and sample loading cylinder passes through outer The internal screw thread of screw thread and top cover, which spins together and is equipped with sealing ring, realizes sealing;Water inlet is provided on top cover, in sample loading cylinder Bottom is provided with water outlet, air hole is also provided on top cover, and equipped with rubber cork for blocking during testing;In dress sample Sample screen holder is placed in container, the sample screen holder is the up-small and down-big frustum of a cone, is provided on the side wall of the frustum of a cone The grate opening communicated with inner cavity, and the inner cavity of the frustum of a cone is communicated with the water outlet of dress sample container;The outlet pipeline, dress sample hold Device, suspended body flowmeter are all made of transparent material;
Step A -1: making cylindrical test sample, and the upper and lower end of test sample is all made of plastic film package 4-8mm simultaneously combine elastic banding, and test sample is placed on sample screen holder, sealing ring, top cover are installed on the inside of top cover It is tightened in sample loading cylinder;
Step A -2: closing all water flow water check valves, open the water source switch of constant pressure water tank, makes on constant pressure water tank water extremely Design water level height;
Step A -3: opening the water flow water check valve on outlet pipeline, soft with rubber when the water outlet of sample container to be installed drains Plug blocks the air hole on top cover, then opens flow control valve a little, flows through suspended body flowmeter with making sluggish flow;Later will Flow control valve is slowly opened to maximum, until water is full of entire outlet pipeline, closing flow control valve;
Step A -4: detecting whether each outlet pipeline has leak, and is blocked, and flow control is then slowly opened Valve, while the degree in suspended body flowmeter is observed, after reaching predetermined flow rate, the switch size of flow control valve is kept, starts to try Test, test sample control impregnated within 8 hours and is completed, after continue to impregnate for 48 hours, wherein in order not to allow water velocity pair Test sample single side washes away, and one side is rotated after 12 hours, every the leachate of acquisition in 12 hours;
Step B: rock hydrostatic corrosion simulation test is carried out using Lentic environment simulation test device;
The Lentic environment simulation test device uses transparent sealing box, and transparent sealing tape has transparent plastic cover, saturating Graduation mark is provided on the side wall of bright seal box;The graduation mark is made of four strigulas that upper and lower equidistant interval is arranged;
Test sample is put into vertically in transparent sealing box, soaking water is injected into transparent sealing box and realizes test sample Three-dimensional submergence water suction is all held after submergence again by the submergence height for every two hours increasing by 1/4 test sample during test Continuous 48 hours soaking times;
Step C: rock dehydration drying is carried out using dry simulation test device;
The dry simulation test device uses drying box, if test sample is gypsum matter rock, the drying temperature used It is 50 DEG C, for the drying temperature that remaining rock uses for 105-110 DEG C, drying time is 24 hours;
Step D: the test sample of same rock sample repeats step A to step C, is respectively completed 3 drying and watering cycles, 6 dry and wets It recycles, after 10 wetting-drying tests, then the test sample after deterioration is sealed with preservative film, is stored in drying box, in case Subsequent rock mechanics experiment uses.
As a preferred embodiment of the above solution, in step, the constant pressure water tank includes water storage box and altitude valve, described Altitude valve is mounted on the top water inlet of water storage box, is connected to water purifier in the water outlet of altitude valve;The storage Water tank is mounted on supporter, makes height 1.5m -1.8m of the water storage box apart from ground, and is filled sample container and be lower than water storage box;? In step B, soaking water is injected into transparent sealing box from constant pressure water tank.
Further preferably, in step, the fixed peace of the dress sample container on four outlet pipelines, suspended body flowmeter On same support frame, support frame as described above is pacified by bottom plate, vertical plate, and between the upper and lower every the setting first level that simultaneously front and back is staggered Loading board, the second horizontal mounting plate form, and from left to right successively interval is mounted on the first water to the dress sample container on four outlet pipelines In safety loading board, from left to right successively interval is mounted on the second horizontal mounting plate the suspended body flowmeter on four outlet pipelines.
Further preferably, in step, the rock sample of test sample is selected, mineralogical composition is carried out to rock first Analysis, XRD sample presentation sample will have whole representativeness, then carry out standard sample processing, and removal wherein has defective sample, Ultrasound examination is finally carried out, rejects the wherein biggish rock sample of dispersion, then test number is carried out to rock sample.
Beneficial effects of the present invention: this method moves water-soluble erosion simulation test, hydrostatic corrosion mould by successively carrying out to rock The repeated multiple times circulation of quasi- test and dry simulation test, and the parameter in each specific steps is combined, energy real simulation is natural Boundary's water karst loses process, accurately discloses the corrosion rule between rock and water;Especially circumstance of flowing water simulation test device, energy Continual and steady dynamic water flow is provided for test sample, and ingenious setting test procedure, iterative cycles act on test sample, make Test process is closer to truth, to the rock mechanics after research water-karst erosion, the especially mechanics of the rock containing cream Characteristic has great importance.
Detailed description of the invention
Fig. 1 is method and step figure of the invention.
Fig. 2 is the front view (being free of sample screen holder, test sample) of circumstance of flowing water simulation test device.
The left view (being free of sample screen holder, test sample) that Fig. 3 is Fig. 2.
Fig. 4 is water (flow) direction signal in dress sample container.
Fig. 5 is hydroflow vortex effect picture in dress sample container.
Fig. 6 is the front view of Lentic environment simulation test device.
Specific embodiment
By way of example and in conjunction with the accompanying drawings, the invention will be further described:
In conjunction with shown in Fig. 2-Fig. 5, circumstance of flowing water simulation test device is mainly by constant pressure water tank 1, water flow water check valve 2, dress sample Container 3, suspended body flowmeter 4, flow control valve 5, sample screen holder 6, test sample 7, film package, outlet pipeline composition.
Constant pressure water tank 1 is mainly made of water storage box 1a and altitude valve 1b, and main function is for a whole set of dynamic water flow dress It sets and constant water velocity is provided.
Altitude valve 1b is mounted on the top water inlet of water storage box 1a, and the purpose is to be the stabilization in holding water storage box Height of water level and stable flow velocity is provided for dynamic water flow apparatus, do not need the water level for artificially maintaining water storage box, simplify test Operation.Water purifier is connected in the water outlet of altitude valve 1b.Preferably, using beauty MC122-2 type portable water purifier, Its filter core is carbon fibre materials, combines drainage by 5 layers of material, filtering accuracy 2-40nm can filter out silt, iron rust and can inhale Attached 96% chlorine residue, the quality requirement of guarantee test water.
Water storage box 1a is mounted on supporter 8, makes height 1.5m -1.8m of the water storage box 1a apart from ground, and is filled sample and held Device 3 is lower than water storage box 1a.Constant pressure water tank provides enough hydraulic pressure by placing the height of 1.5-1.8m, to ensure that water flow can reach To design requirement.
Multiple test water routes can be arranged in the present apparatus simultaneously, shorten test period.Increasing for test test specimen, causes test period Increase, the present apparatus can simulate different flow rate environments using the design of the same constant pressure water tank in more water routes, every water route respectively, and can Need to be arranged the water route number of different numbers according to experimental design.It can also be in the dissolution of the water outlet end in water route reception water flow corrosion Liquid studies dissolution fluid.Package unit can realize that more water route conditions, more flow controls, flow velocity dissolved corrosion test, dissolution fluid take Sample etc. tests demand.During installation, 4 outlet pipelines or more can be arranged in constant pressure water tank 1 simultaneously, can carry out simultaneously four or The dynamic water flow environmental simulation test of more test samples 7, to save test period.In each outlet pipe of constant pressure water tank 1 Road is in series with water flow water check valve 2, dress sample container 3, suspended body flowmeter 4, flow control valve 5.The effect of water flow water check valve 2 is to mention For the water flow in each water route.Every water route is equipped with a flow control valve 5, it can be achieved that control alone between each water route, can be with When control start or stop dynamic water flow test under the water route.The effect of flow control valve 5 is the flow velocity for controlling each water route, The tail end in single water route is designed, water yield, the real-time streams that cooperation observation suspended body flowmeter is shown are controlled by the size of switch Magnitude, so that the flow velocity in whole water route be made to reach design current velocity requirement.4 main purpose of suspended body flowmeter is real-time observation device Interior flow velocity, flow condition that can at any time in each water route of observation device, mating flow velocity water check valve is, it can be achieved that flow velocity in range It is required that flowmeter uses the plastic float flowmeter of 6-60L/h, model LZS-15C.
The effect of sample container 3 is filled primarily to water can be improved in corrosion of the simulated flow on rock, the device The contact effect with rock sample is flowed, allowing rock to reach can be immersed in water flow and be acted on by current scour.Fill sample container 3 It is made of sample loading cylinder 3a and top cover 3b.It is equipped with top cover 3b, it is therefore an objective to the dress of test sample 7 be facilitated to take.Be provided on top cover 3b into The mouth of a river is provided with water outlet in the bottom sample loading cylinder 3a.Preferably, sample loading cylinder 3a is screwed by the internal screw thread of external screw thread and top cover 3b Together and it is equipped with sealing ring realization sealing;The closed design of dress sample container can be such that water flow sufficiently contacts with rock sample, and can make Rock sample is in certain water flow pressure, simulates rock-water function and effect more close to realistic situation.In addition, on top cover 3b into The mouth of a river is consistent with the best aperture of water outlet at the bottom sample loading cylinder 3a.Air hole is also provided on top cover 3b, when effect is discharge water-filling Fill the air in sample container 3;Air hole is equipped with rubber cork for blocking during testing.When water route connects, sample container 3 is filled Water inlet, water outlet be screwed on hose using metallic water pipe interface, captive screw clip screws.Ya Ke can be used in dress sample container 3 The top cover 3b of threaded engagement is arranged in dead-wood matter, facilitates dress sample and cleaning.When sealing water-filling, the air hole of matching design makes to fill Sample container reaches full water state.
Outlet pipeline, dress sample container 3, suspended body flowmeter 4 are all made of transparent material, and water flow can be observed with overall process in device Interior traveling distance and stage only need to just can control water all the way by water flow water check valve 2, suspended body flowmeter 4, flow control valve 5 Circulation road, and design water speed can be reached by observation suspended body flowmeter.
Sample screen holder 6 is placed in dress sample container 3.The purpose of sample screen holder 6 is to allow water flow can be unimpededly It is flowed out in dress sample container 3, and test sample 7 can be made to stablize in dynamic underwater holding.Sample screen holder 6 is up-small and down-big The frustum of a cone is provided with the grate opening communicated with inner cavity, and the water outlet of the inner cavity of the frustum of a cone and dress sample container 3 on the side wall of the frustum of a cone Mouth communicates;Test sample 7 is placed on sample screen holder 6, test sample 7 is cylindrical.Sample screen holder 6 is preferably with plastics Basket structure is mentioned, test sample 7 is placed in certain altitude, and ensures that water flow can be successfully from the water outlet outflow of dress sample container 3.
The flow direction distribution (in as shown in Figure 4, Figure 5 shown in arrow) of water flow in sample container 3 is filled, pipe stream can go out at variable cross-section Existing vortex phenomenon, the presence of vortex can accelerate water flow to the mechanical corrosion of scar, cause end face irregular, irregular.For Test sample 7 is allowed to can still provide for mechanical test after flow action, to test sample 7 processing closed at both ends, test sample 7 Upper and lower end is all made of plastic film package, and this mode can make rock sample end face after flow action still be able to maintain integrality.It is logical This processing mode is crossed, rock sample can be observed by the function and effect of water flow corrosion, moreover it is possible to meet uniaxial, triaxial test to sample Size requirement.The upper and lower end of test sample 7 is all made of plastic film package, and vertical water flow can be prevented to the gravity of rock sample The integrality of souring and later period mechanical test sample end face, prevents upper and lower end face badly broken, and the axial direction for wrapping up design is long Degree is about 5mm.
Water outlet and from left to right successively equidistant interval setting there are four constant pressure water tank 1 is total, each water outlet is equipped with one A outlet pipeline is in series with water flow water check valve 2, dress sample container 3, suspended body flowmeter 4, flow control valve 5 on each outlet pipeline.
Dress sample container 3, suspended body flowmeter 4 on four outlet pipelines are fixedly mounted on same support frame 9.Support frame 9 By bottom plate 9a, vertical plate 9b, and between the upper and lower every setting first level mounting plate 9c, the second horizontal mounting plate 9d that simultaneously front and back is staggered It forms, from left to right successively interval is mounted on first level mounting plate 9c the dress sample container 3 on four outlet pipelines, and four go out From left to right successively interval is mounted on the second horizontal mounting plate 9d suspended body flowmeter 4 in water lines.Support frame 9 is able to satisfy floating The installation requirement of subflow meter is used to vertical and fixed suspended body flowmeter and dress sample container.
Fig. 6 show Lentic environment simulation test device, and using transparent sealing box 10, transparent sealing box 10 has transparent modeling Material lid 10a, is provided with graduation mark 10b on the side wall of transparent sealing box 10.The size of transparent sealing box 10 is it is ensured that test examination Sample can three-dimensional submergence water suction after being put into.Preferably, the graduation mark 10b on 10 side wall of transparent sealing box is arranged by upper and lower equidistant interval Four strigulas constitute, transparent sealing box 10 uses rectangular box, every two hours submerges 1/4 under field conditions (factors) in experimentation The height of test sample, the soaking time for all continuing 48 hours again after submergence.
Dry simulation test device uses drying box (not shown).
A kind of rock drying and watering cycle corrosion comprehensive testing method, as shown in Figure 1, including the following steps:
Step A: rock is carried out using circumstance of flowing water simulation test device and moves water-soluble erosion simulation test;
Step A -1: cylindrical test sample 7 is made, the upper and lower end of test sample 7 is all made of plastic film packet It wraps up in 4-8mm and combines elastic banding, test sample 7 is placed on sample screen holder 6, sealing is installed on the inside of top cover 3b Circle, top cover 3b are tightened on sample loading cylinder 3a;
Step A -2: closing all water flow water check valves 2, opens the water source switch of constant pressure water tank 1, makes on constant pressure water tank 1 Water is to design water level height;
Step A -3: it opens the water flow water check valve 2 on outlet pipeline and uses rubber when the water outlet of sample container 3 to be installed drains Cork blocks the air hole on top cover 3b, then opens flow control valve 5 a little, flow through suspended body flowmeter 4 with making sluggish flow; Flow control valve 5 is slowly opened to maximum later, until water is full of entire outlet pipeline, closing flow control valve 5;
Step A -4: detecting whether each outlet pipeline has leak, and is blocked, and flow control valve is then slowly opened 5, while the degree in suspended body flowmeter 4 is observed, after reaching predetermined flow rate, the switch size of flow control valve 5 is kept, starts to try It tests.The control of test sample 7 is impregnated within 8 hours and is completed, after continue to impregnate for 48 hours, wherein in order not to allow water velocity pair 7 single side of test sample washes away, and one side is rotated after 12 hours, every the leachate of acquisition in 12 hours.
In step, the rock sample of test sample 7 is selected, mineralogical composition analysis, XRD sample presentation is carried out to rock first Sample will have whole representativeness, then carry out standard sample processing, and removal wherein has defective sample, finally carry out ultrasound Wave detection rejects the wherein biggish rock sample of dispersion, then carries out test number to rock sample
Step B: rock hydrostatic corrosion simulation test is carried out using Lentic environment simulation test device;
Test sample 7 is put into vertically in transparent sealing box 10, soaking water is injected into transparent sealing box 10 and realizes test The three-dimensional submergence water suction of sample 7 has all been submerged by the submergence height for every two hours increasing by 1/4 test sample 7 during test Bi Houzai continues 48 hours soaking times.In stepb, it is preferable that inject leaching into transparent sealing box 10 from constant pressure water tank 1 It is soaked.
Step C: rock dehydration drying is carried out using dry simulation test device;
Dry simulation test device uses drying box, if test sample 7 is gypsum matter rock, the drying temperature used is 50 DEG C, for the drying temperature that remaining rock uses for 105-110 DEG C, drying time is 24 hours.
Step D: the test sample 7 of same rock sample repeats step A to step C, is respectively completed 3 drying and watering cycles, does for 6 times It is wet to recycle, after 10 wetting-drying tests, then the test sample 7 after deterioration is sealed with preservative film, it is stored in drying box, with Standby subsequent rock mechanics experiment uses.

Claims (4)

1. a kind of rock drying and watering cycle corrosion comprehensive testing method, which comprises the steps of:
Step A: rock is carried out using circumstance of flowing water simulation test device and moves water-soluble erosion simulation test;
The circumstance of flowing water simulation test device includes constant pressure water tank (1), the constant pressure water tank (1) altogether there are four water outlet and from The setting of left-to-right successively equidistant interval, each water outlet are in series with water flow on each outlet pipeline equipped with an outlet pipeline Water check valve (2), dress sample container (3), suspended body flowmeter (4), flow control valve (5), the dress sample container (3) includes sample loading cylinder (3a) and top cover (3b), sample loading cylinder (3a) are spun together by the internal screw thread of external screw thread and top cover (3b) and are equipped with sealing ring reality Now seal;It is provided with water inlet on top cover (3b), water outlet is provided in the bottom sample loading cylinder (3a), is also provided on top cover (3b) Stomata, and equipped with rubber cork for being blocked during testing;Sample screen holder (6), institute are placed in dress sample container (3) Stating sample screen holder (6) is the up-small and down-big frustum of a cone, and the grate opening communicated with inner cavity, and circle are provided on the side wall of the frustum of a cone The inner cavity of frustum is communicated with the water outlet of dress sample container (3);The outlet pipeline, dress sample container (3), suspended body flowmeter (4) are equal Using transparent material;
Step A -1: cylindrical test sample (7) is made, the upper and lower end of test sample (7) is all made of plastic film packet It wraps up in 4-8mm and combines elastic banding, test sample (7) is placed on sample screen holder (6), is installed on the inside of top cover (3b) Good sealing ring, top cover (3b) are tightened on sample loading cylinder (3a);
Step A -2: closing all water flow water check valves (2), opens the water source switch of constant pressure water tank (1), makes constant pressure water tank (1) Upper water is to design water level height;
Step A -3: it opens the water flow water check valve (2) on outlet pipeline and uses rubber when the water outlet of sample container (3) to be installed drains Cork blocks the air hole on top cover (3b), then opens flow control valve (5) a little, flows through float-type with making sluggish flow It counts (4);Flow control valve (5) is slowly opened to maximum later, until water is full of entire outlet pipeline, closing flow control valve (5);
Step A -4: detecting whether each outlet pipeline has leak, and is blocked, and then slowly opens flow control valve (5), The degree in suspended body flowmeter (4) is observed simultaneously, after reaching predetermined flow rate, is kept the switch size of flow control valve (5), is started Test sample (7) control is impregnated within 8 hours and is completed by test, after continue to impregnate for 48 hours, wherein in order not to allow water flow velocity Degree washes away test sample (7) single side, one side is rotated after 12 hours, every the leachate of acquisition in 12 hours;
Step B: rock hydrostatic corrosion simulation test is carried out using Lentic environment simulation test device;
The Lentic environment simulation test device uses transparent sealing box (10), and transparent sealing box (10) has transparent plastic cover (10a) is provided with graduation mark (10b) on the side wall of transparent sealing box (10);The graduation mark (10b) is by upper and lower equidistant interval Four strigulas being arranged are constituted;
Test sample (7) is put into vertically in transparent sealing box (10), into transparent sealing box (10), injection soaking water realizes examination The three-dimensional submergence water suction of sample (7) is tested, by the submergence height for every two hours increasing by 1/4 test sample (7) during test, all The soaking time for continuing 48 hours again after submergence;
Step C: rock dehydration drying is carried out using dry simulation test device;
The dry simulation test device uses drying box, if test sample (7) be gypsum matter rock, the drying temperature used for 50 DEG C, for the drying temperature that remaining rock uses for 105-110 DEG C, drying time is 24 hours;
Step D: the test sample (7) of same rock sample repeats step A to step C, is respectively completed 3 drying and watering cycles, 6 dry and wets It recycles, after 10 wetting-drying tests, then the test sample (7) after deterioration is sealed with preservative film, is stored in drying box, with Standby subsequent rock mechanics experiment uses.
2. rock drying and watering cycle corrosion comprehensive testing method described in accordance with the claim 1, it is characterised in that: in step, institute Stating constant pressure water tank (1) includes water storage box (1a) and altitude valve (1b), and the altitude valve (1b) is mounted on water storage box The top water inlet of (1a) is connected to water purifier in the water outlet of altitude valve (1b);The water storage box (1a) is mounted on On supporter (8), make height 1.5m -1.8m of the water storage box (1a) apart from ground, and fills sample container (3) and be lower than water storage box (1a);In stepb, soaking water is injected into transparent sealing box (10) from constant pressure water tank (1).
3. rock drying and watering cycle corrosion comprehensive testing method described in accordance with the claim 1, it is characterised in that: in step, four Dress sample container (3), suspended body flowmeter (4) on a outlet pipeline are fixedly mounted on same support frame (9), the support Frame (9) by bottom plate (9a), vertical plate (9b), and between the upper and lower every setting and front and back be staggered first level mounting plate (9c), second Horizontal mounting plate (9d) forms, and from left to right successively interval is mounted on first level to the dress sample container (3) on four outlet pipelines On mounting plate (9c), from left to right successively interval is mounted on second and is horizontally mounted for suspended body flowmeter (4) on four outlet pipelines On plate (9d).
4. rock drying and watering cycle corrosion comprehensive testing method described in accordance with the claim 1, it is characterised in that: in step, right It is selected in the rock sample of test sample (7), mineralogical composition analysis is carried out to rock first, XRD sample presentation sample will have whole representative Property, then carry out standard sample processing, wherein there is defective sample in removal, finally carry out ultrasound examination, reject wherein from The biggish rock sample of divergence, then test number is carried out to rock sample.
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